By Amy Norton NEW YORK (Reuters Health) - Women are not alone in
suffering postpartum depression -- a "strikingly high" number
of new fathers are affected as well, researchers reported
Monday. In a study of more than 5,000 U.S.

NEW YORK (Reuters Health) - Parents can help prevent food
allergies by waiting to introduce certain foods into a child's
diet and by feeding a child breast milk exclusively until the
sixth month of life, a group of allergists advises.

CHICAGO (Reuters) - The editor of a top medical journal on
Monday raised the pressure on scientists to fully disclose
commercial ties by urging the employers of those who don't
comply to probe them for possible conflicts of interest. Dr.

By Maggie Fox, Health and Science Correspondent WASHINGTON (Reuters) - An Alzheimer's pill that helps slow
the brain damage caused by the disease may also protect against
the effects of nerve gases and pesticides, U.S. researchers
reported on Monday.

By Maggie Fox, Health and Science Correspondent WASHINGTON (Reuters) - Ultrasound disrupts the brain
development of unborn mice, U.S. researchers said in a study
published on Monday that adds to growing evidence that too many
ultrasound scans could also affect human fetuses.

By Maggie Fox, Health and Science Correspondent WASHINGTON (Reuters) - An Alzheimer's pill that helps slow
the brain damage caused by the disease may also protect against
the effects of nerve gases and pesticides, U.S. researchers
reported on Monday.

A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.